doormat, be polite.
inkace, I am generally not a proponent of waiting, but there are two reasons to wait a little while now. First, there are 45 nm GPU cores coming from nVidia real soon now. Second, Phenom II is also coming from AMD. Both may have an effect on the pricing of everything else - and might not
Present configuration: you can save some money on the hard drives. Current "performance" drives (WD Black's for example) are almost as fast as the Raptors and, because of the higher data density, have higher sustained throughput and they run cooler. And I wouldn't build a RAID array without an external controller card.
Will your (AMD) CPU cooler fit the i7 CPU?
And minor, really minor: I prefer the Samsung SATA DVD r/w drives.